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Finding the Fourth Proportional to 141,956.67, 212,492.10 and 104,558.97

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Solution

The fourth proportional to 141,956.67, 212,492.10 and 104,558.97 is: 156,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,956.67 : 212,492.10 = 104,558.97 : x
  2. Step 2: Convert to fraction form
    141,956.67/212,492.10 = 104,558.97/x
  3. Step 3: Cross multiply
    141,956.67x = 212,492.10 × 104,558.97
  4. Step 4: Simplify right side
    141,956.67x = 22,217,955,109.14
  5. Step 5: Solve for x
    x = 22,217,955,109.14/141,956.67
  6. Step 6: Final answer
    x = 156,512.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.